| Protein | Synonyms | Taxonomy |
|---|
| Small ubiquitin-related modifier 2 | SUMO-2; HSMT3; SMT3 homolog 2; SUMO-3; Sentrin-2; Ubiquitin-like protein SMT3B; Smt3B | Homo sapiens (human) |
| Small ubiquitin-related modifier 1 | SUMO-1; GAP-modifying protein 1; GMP1; SMT3 homolog 3; Sentrin; Ubiquitin-homology domain protein PIC1; Ubiquitin-like protein SMT3C; Smt3C; Ubiquitin-like protein UBL1 | Homo sapiens (human) |
| Small ubiquitin-related modifier 3 | SUMO-3; SMT3 homolog 1; SUMO-2; Ubiquitin-like protein SMT3A; Smt3A | Homo sapiens (human) |